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Types of Speciation

Allopatric Speciation
Allopatric Speciation

As allopatric speciation is widely accepted as a common mode of speciation, the scientific literature is abundant with studies documenting its existence. The biologist Ernst Mayr was the first to summarize the contemporary literature of the time in 1942 and 1963.

Parapatric Speciation
Parapatric Speciation

In parapatric speciation, two subpopulations of a species evolve reproductive isolation from one another while continuing to exchange genes.

Peripatric Speciation
Peripatric Speciation

Peripatric speciation is a mode of speciation in which a new species is formed from an isolated peripheral population. : 105 Since peripatric speciation resembles allopatric speciation, in that populations are isolated and prevented from exchanging genes, it can often be difficult to distinguish between them.

Sympatic Speciation
Sympatic Speciation

Sympatric speciation is the process through which new species evolve from a single ancestral species while inhabiting the same geographic region.

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